I have a model containing roughly 1000000 faces. I want to be able to
select an individual face. Are there any tried and tested methods for
achieving this with low overheads.

The only thing that springs to mind is a poly-reduction based
collision detection method. But then this would involve writing a
poly-reducer, which I don't fancy much.

Is there a better way?

GL picking just doesn't seem up to the task using the name-based stack.

Thanks.
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